# manny

Popular questions and responses by manny

Ms. Alison drew a box-and-whisker plot to represent her students’ scores on a mid-term test. box-and-whisker plot Josh received 72 on the test. Describe how his score compared to those of his classmates. (1 point) About 25% scored higher; about 75%

A recording artist released a compilation of songs on the Internet. The scatter plot below shows the number of downloads for her album, in the thousands, over the course of nine days. scatter plot If this trend continues, approximately how many thousands

3. ## physics

a dog runs back and forth between its two owners, who are walking toward one another. the dog starts running when the owners are 10 m apart. if the dog runs with a speed of 3 m/s and the owners each walk with a speed of 1.3 m/s how far has the dog traveled

4. ## Math

Yolanda buys two types of flowering plants. She buys 36 geraniums and 63 marigolds she wants to plant an eeach row will contain only one type of flowering each row will contain only one type of flowering plant Yolanda uses all the plants she bought in her

5. ## math

A student says that the solution of 375 = x – 28 is 347. Explain the student’s error and find the correct answer

6. ## chem

Are these correct? Rank the following species in order of increasing acidity. Explain your reasons of ordering them as you do. NH3 ,H2SO4, CH3OH, CH3COOH CH3COOH > H2SO4> CH3OH >NH3 Rank the following species in order of increasing basicity. Explain your

7. ## Physics

A child goes down a playground slide that is inclined at an angle of 24.5° below the horizontal. Find the acceleration of the child given that the coefficient of kinetic friction between the child and the slide is 0.305.

8. ## Calc 2

Compute the total area of the (infinitely many) triangles in the Figure In the image, the height of all the triangles is 6/7. The x-values for the bases of the triangles from left to right are as follows: 27/64 , 9/16 , 3/4 , 1 Using the formula for the

9. ## chem

Hi, I need help with this problem--- I have no idea how to go about it _______________________________________________________________ An average adult breathes about 8.5 x 10^3 L of air per day. The concentration of lead in higly polluted urban air is 7.0

10. ## Math

In the last basketball game, Kevin scored 2 less than a third of his team's points. Part A: Let n represent the number of points Kevin's team scored. Write an expression for the number of points Kevin scored. Part B: Kevin scored 14 points. How many points

11. ## math

Suppose a code consist of two letters followed by a digit. Find the number of (a) Codes (b) Codes with distinct letters (c) Codes with the same letters

12. ## Math

A 5-pound bag of potatoes costs\$3.40 what is the cost per pound

13. ## Physics-HELP

An airplane is traveling 775 km/h in a direction 42.5° west of north (Figure 3-31). (a) Find the components of the velocity vector in the northerly and westerly directions. northerly km/h westerly km/h (b) How far north and how far west has the plane

14. ## Calculus

Find the point on the line 6x + y = 9 that is closest to the point (-3,1). Solution: We need to minimize the function d = sqrt((x − (−3))^2 + (y − 1)^2) = sqrt((x + 3)^2 + (y − 1) ^2 ) and, since the point (x, y) lies on the line 6x + y = 9, we can

15. ## Civics

1. What is the difference between a party’s platform and a plank? Select all that apply. (2 points) A.A plank is more general than the platform. B.A plank is more specific than the platform. C.A plank is a statement of a single position. D.A plank is a

16. ## chem

Hi the following comes from my first homework assignment in AP Chemistry. I am totally lost on this question and don't know where to start. Thanks a lot in advance!!!!! A 0.1247 g sample of ascorbic acid, Vitamin C, was burned in a carbon-hydrogen

17. ## science

When salt (NaCI) is added to water, it disassociates into Na and Cl-ions. Which of the following types of chemical bond is present in a salt molecule? A. Covalent bond B. Ionic bond C. Hydrogen bond D. Disulfide bond i think its B An example of active

18. ## physics

A bicycle chain is wrapped around a rear sprocket (r = 0.039m) and a front sprocket (r = 0.10m). The chain moves with a speed of 1.4m/s around the sprockets, while the bike moves at a constant velocity. Find the magnitude of the acceleration of a chainlink

19. ## PHYSICS NEED HELP

A bicyclist can coast down a 5° hill at a constant 6.0 km/h. Assume the force of friction (air resistance) is proportional to the speed v so that Ffr = cv. (a) Calculate the value of the constant c. (b) What is the average force that must be applied in

20. ## physics

A child on a sled (total mass 41 kg) slides down a hill inclined at an angle θ = 22° at a constant speed 3.5 m/s. (a) How long does it take the child to travel 40 meters down the slope? (b) What is the frictional force on the sled? (c) What is the

21. ## finance management

Explain how efficient inventory management affects the liquidity and profitability of the firm.

22. ## Astronomy

Calculate the ratio of the escape velocities from the moon and Earth. Calculate the ratio of the escape velocities from the moon and Earth In order to escape the gravitaional pull exerted by a central body on an orbiting object, it must must achieve a

23. ## Statistics

Jane Blaylock joined the Ladies Professional Golf Association (LPGA) in 1969 and by 1972 had become the leading money winner on the tour. During the Bluegrass Invitational Tournament, she was disqualified for an alleged rules infraction. The LPGA appointed

24. ## math

One number is four times another. the greater number is x. write an ecpression for the lesser number.

25. ## Math

The random variable X has the following density function: f(x) = { x^2 if 0 < x < 3 { 0 otherwise a) Find the distribution function F(x) of X b) Draw the distribution function c) Calculate the following probabilities: P(X > 1.5) = P(1/2 ≤ X < 3/2) = P(-2

26. ## Calculus

Find the point on the line 6x + y = 9 that is closest to the point (-3,1). Solution: We need to minimize the function d =

27. ## chem- molar weight

I worked this problem, I would like to know if I did it correctly, I think I missed something, I'm not sure..... When a 20.0 gram sample of an unknown compound is dissolved in 500 grams of benzene, the freezing pointof the resulting solution was observed

28. ## chemistry

-2.60- Hi here is a question I am having trouble with. I need help only on part c. ____________________________________________________________________________________________________________________________________________________________ Each time you

29. ## SCIENCE

Which of the following tissues would send a message to the brain indicating that someone has touched something hot? A. Epithelial tissue B. Nervous tissue C. Muscle tissue D. Connective tissue i think its B Which of the following describes the

30. ## Chem

When crude caffeine is isolated from tea, why does it often have a green tinge?

31. ## Civics

Which of the following is judicial interpretation? A.determining what the law means in a specific case B.following the law, regardless of one’s personal views C.imposing one’s own personal views on what the law should be D.using the principles of due

32. ## Calc

A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y= 1-x^2. What are the dimensions of such a rectangle with the greatest possible area?

33. ## chem

Hello, I need help solving this problem on intermolecular dispersion forces. Can you explain how I go about finding the answer? Which member of the following has the stronger intermolecular dispersion forces? a. CO CO2 neither of these b. CH3CH2CH2CH2Br

34. ## Economics

Ben deposits \$5000 now into an account that earns 7.5 percent interest compounded annually. He then deposits \$1000 per year at the end of the first and second years. How much will the account contain 10 years after the initial deposit?

35. ## english

“There is little reason to fear that women will acquire too much courage or fortitude, for their apparent inferiority…” What choice most closely defines the underlined word?

36. ## Math

how do i solve for b, when: (2pi/b)=8pi

37. ## Math

Find the point on the line 6x + y = 9 that is closest to the point (-3,1). Solution: We need to minimize the function d =

38. ## history

2. Which of the following contributed the most to the completion of the overland Silk Routes? a - The growth of powerful empires in Europe and Asia b - Trade between small, neighboring tribes c - China's hinger for foreign goods d - Competition from

39. ## math

During a sale, a store offered a 40% discount on a particular camera that was originally priced at \$450. After the sale, the discounted price of the camera was increased by 40%. What was the price of the camera after this increase?

40. ## science

Plant~Deer~Tiger The first step in the energy chain that created the bonds of proteins in the tiger's muscle cells in the food chain shown above is the A. deer the tiger ate. B. plant the deer ate. C. photons the sun made. D. carbohydrates the plant made.

41. ## Physics

I've managed to figure out question B but cannot figure out A, any help appreciated Two particles, with identical positive charges and separation of 3.04 × 10-2 m, are released from rest. Immediately after the release, particle 1 has an acceleration a1

42. ## math

The probability that a person has immunity to a particular disease is 0.3. Find the mean and standard deviation for the random variable x, the number of people who have immunity in samples of size 28. This is a binomial distribution. mean= 28*.3 standard

43. ## math

Which of the following is the number of milliliters in 2 gallons? (Note: 1 gallon = 4.4 liters; 1 liter= 1,000 milliliters) A. 440 B. 880 C. 4,400 D. 8,800 i think its D The hypotenuse (side C) of a triangle is 13 inches long. Which of the following pairs

44. ## physics

How do i go about this question? Suppose a car is traveling at 20.0m/s, and the driver sees a traffic light turn red, After 0.530s has elapsed (the reaction time), the driver applies the brakes, and the car accelerates at 7.00m/s2. What is the stopping

45. ## Economics

n auto-service establishment has estimated its monthly cost function as follows: TC = 6000 + 10 Q where Q is the number of cars it services each months and TC represents its total cost. The firm is targeting 35,000 net monthly profit servicing 2000 cars.

46. ## physics

1:Negative clipping of an output signal occurs when the A. output impedance is too high. B. input impedance is too high. C. input amplitude is too high. D. power supply voltage is too high. 2: Which of the following is essential for the operation of an

47. ## physics II

There is a pulse returns 3.0x10^-4 seconds after it is sent out, having been reflected by an object. What is needed is the distance between the radar antenna and the object? (c = 3x10^8 m/s)

48. ## Astronomy

Given that the mass of the Milky Way galaxy is 10^11 times that of the Sun and that the sun is 2.6x10^20 meters from its center, what is the Sun's orbital speed around the center of the galaxy? How long does it take the Sun to orbit the Milky Way? (In this

49. ## Calculus 2

Convert r = 1 / (6cos(θ)+8sin(θ)) to an equation in rectangular coordinates (i.e., in terms of x and y). A similar example I found, where r = 1 / (cos (θ) − sin (θ)), found the rectangular equation to be y = x - 1. How would this answer change for my

50. ## chem

Hers's a question im not sure how to do Write a mechanism for the acid-catalyzed transesterification reaction of ethyl acetate with 1-butanol, which gives butyl acetate. Thank you soo much!!!!!!!!!!!!!!!!!!!!!!

51. ## Help Math

Duncan wants to make an aquarium. The aquariums are available in two shapes, spherical (S) or cubical ©. He can choose either goldfish (G) or fantails (F) to keep in his aquarium. Which list shows the different combinations of aquariums and fish from

52. ## algebra

Daniel can plant an acre of corn in 6 hours. Working with Amanda, they can plant an acre of corn in 2 hours. How long would it take in hours for Amanda to plant an acre of corn by herself?

53. ## physics II

sUPPOSE YOU HAVE A square coil and a triangular coil each have sides of length L. The triangular coil has twice as many turns as the square coil. If a the same current is sent through each coil, when the coils are placed in the same uniform magnetic field

54. ## art/science

here is a hypothetical question I am an art teacher and craft writer. I need to know if fabric that has been rusted (by choice), or stained from coming in contact with rust, will continue to rust and destroy the fabric. If yes, is it possible to neutralize

55. ## Biochem

You wish to measure the ∆G°' for the hydrolysis of ATP: ATP --->ADP + Pi But the equilibrium for the hydrolysis lies so far toward products that analysis of the ATP concentration at equilibrium is neither practical or accurate. However, you have the

56. ## english

Hi, I'm looking for the following poem. I need a version that has it divided into three parts. I couldn't find it online. If anybody could help that would be great!

57. ## physics

a snowboarder moves down a slope for which theta= 22 degrees. the coefficient of kinetic friction between the board and the snow is 0.21 and her velocity is a constant 8.3 m/s. what will her speed 100 meters past the end of the slope? how far will she

58. ## algebra

1.)correct 2.)wrong---> the first term is wrong 4(3a^2)^2 = 36a^4 3.) not sure on this one 4.) wrong---> - square root of six is not a solution Hope this Helps! 1)find p(-3)if p(x)=4x^3-5x^2+7x-10 =-184 2)If r(x)=4x^2-3x+7,find r(3a^2) =12a^4-9a^2+7

59. ## physics

A swimmer, capable of swimming at a speed of 1.3 m/s in still water (i.e., the swimmer can swim with a speed of 1.3 m/s relative to the water), starts to swim directly across a 2.2-km-wide river. However, the current is 0.91 m/s, and it carries the swimmer

60. ## A fun one-math

i am a four -digit number with no two digits the same. my ones digit is twice my thousands digit and one less than my tens digit. my hundreds digit is the difference between my tens digit and my thousands digit. my thousands digit is an odd number less

61. ## I REALLY NEED HELP ON THIS--IM SO LOST.

SOMEONE PLEASE HELP ME :( I AM SO LOST. I HAVE READ MY BOOK AND STILL CONFUSED. I HAVE TWO PROBLEMS BELOW AND EACH HAS ONE PART. THERE ARE SEVERAL MORE BUT I DON'T WANT TO ASK FOR TOO MUCH. PLEASE HELP ME ON THESE TWO. MY TEACHER SAID IT IS SIMPLE AND THAT

62. ## math

Barry's Blueberry Patch Come and pick your own blueberries for \$3.00/lb Purchase prepackaged blueberries for \$3.50/lb A family picks 1.7 lb of blueberries and purchases an additional 0.5 lb of prepackaged blueberries. Using the pricing displayed above,

63. ## physics

SOMEBODY ANSWER THIS PLEASE, Two people pull as hard as they can on ropes attached to a 170 kg boat. If they pull in the same direction, the boat has an acceleration of 1.59 m/s2 to the right. If they pull in opposite directions, the boat has an

64. ## chemistry

Can somebody point out the step i have to take to solve this problem. It would be much appreciated. Thanks a lot!!!! _____________________________________________________________________________________________________________________ Asprin, C9H8O4, is

65. ## Physics-HELP

An Olympic long jumper is capable of jumping 7.5 m. Assume that his horizontal speed is 8.8 m/s as he leaves the ground. How long is he in the air? How high does he go? Assume that he lands standing upright, that is, the same way he left the ground.

66. ## slope math

Write the equation of a line with the given slope and y-intercept. 1.m=0 b=-3 2.m=-7 b=1/2

67. ## physics

An inquisitive physics student, wishing to combine pleasure with scientific inquiry, rides on a rollercoaster sitting on a bathroom scale. (Do not try this yourself on a rollercoaster that forbids loose heavy packages.) The bottom of the seat in the

68. ## physics

if an object is pushed along a rough horizontal surface and moves at a constant velocity, then...

69. ## help with math

Which would represent proof of the Pythagorean Theorem? A. Right triangle with legs of 36 and 9, as well as the hypotenuse as 64. B. Right triangle with legs of 144 and 25, as well as the hypotenuse as 169. Is it B? I don't know...

70. ## paramount

Can you help me with a short interpretation for this poem? "A Voice" by Pat Mora.

71. ## English/Grammar (please... extremely important)

Dear _______________: I attempted to contact ____________ to call out and the line was occupied. My phone service was interrupted later on that day, and therefore. I was unable to speak to a member of management regarding my situation. Without a valid

72. ## English

I would like to see what other modifications (what should I include, remove, make more presentable, recommend a particular font style, etc) I need to make on my resume per your opinions. Any help is greatly appreciated. I removed my personal information

73. ## chem- balancing equations

May i pls have some help balancing this equation Al + NH4ClO4 ---> Al2O3 + AlCl3 + NO + H20 Thanks, manny

74. ## chemistry

Why is caffeine only soluble in water that is strongly acidic? Is that true? I think the solubility of caffeine is about 180 mg/L in water @ 100 Celsius. I guess it depends upon your definition of solubility. At any rate, look at the structure of caffeine.

75. ## Math

The area of a certain rectangle is 288 yd2 the perimeter is 68 yd. if you double the length and the width what will be the area and perimeter of a new rectangle?

76. ## chemistry

Given one of the starting materials and end product for each of the following reactions, show all reactants, reaction conditions in brackets (where known) and products. fluoroethane from ethanol

77. ## science

In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heterozygous plant (Tt) is crossed with a homozygous tall plant? A. 100% B. 75% C. 50% D. 25% i think

78. ## paramount

Can you help me with a short interpretation for this poem? "A Voice" by Pat Mora.

79. ## math calc

The equation of the tangent line to f(x) =sqrt{x} at x = 25 can be written in the form y = mx+b where m =.1 b =? i don't know how to find the value of b

80. ## AP Physics

Could you please explain to me these problems, I don't understand them. Do 100 J of work in 50 s and your power output is? A bow is drawn so that it has 40 J of potential energy. When fired, the arrow will ideally have a kinetic energy of ? A diver who

81. ## chemistry

what is the importance of obtaining the percent yield of a product. for instance i had to do steam distillation to obtain eugenol benzoate. once i calculate the % yield what could be the importance apart from that's the amount of product obtained

82. ## Math

square root of (1-cosx/1+cosx) = cscx - cotx prove the identity

83. ## spanish

what does "los famas" mean in spanish i looked it up and i get fame for "fama" but it does not make sense in this particular context Context: "Cuando los famas salen de viaje..."

84. ## Physics

fire places are usually built so has to be very shallow with high backs. often they have structures to hold the burning logs apart. in a wood stove, the fire is inside a box that sits in the middle of the room. describe the heating mechanisms used by each.

85. ## physics

Im having severe trouble understanding the concept of Dimensions. And with 300 other students in my physics class the Professor doens't have alot of time for individual students.... The volume of a liquid flowing per second is called the volume flow rate Q

86. ## science

Scientist call a theory that unites many ideas in a simple way "beautiful". Are unity and simplicity among the criteria of beauty outside of science?

87. ## physics

hey guys i'm stuck on this one question and i need some help!! thanks, appreciate it..... one gallon of paint (volume=3.786 X 10^-3 m^3) covers an area of 25.0 m^2. what is the thickness of the paint on the wall?? could anybody please help guide me through

88. ## algebra

Find the number of ways the top four can finish in a race of nine people.

89. ## Psychology

When you use procedures like placebos and double-blind conditions, you are attempting to set up ____ for factors that would make your experimental findings questionable. A. controls B. treatments C. selections D. cases

90. ## trig

Find two standard position primary angles in radians by solving for the unknown. "Primary angles" are those angles which exist between 0 and 2pi. As usual, use exact values in your calculations. cosx - 2cos^2x = 0

91. ## math-calculus

Hi i've been struggling over this question for a while. Can anybody help me with this? A body's velocity at the time t sec is v = 2t^3 - 9t^2 +12t - 5 m/sec. Find the body's speed each time the acceleration is zero. ________________________________ What i

92. ## math

two 22.5 degree cast iron bend are offset by 3 feet 5 inches, so the diagonal that joins them must have one hub. you need to measure a 10 foot length of 3 inch pipe and cut it for the diagonal. if you measure from the extreme end of the hub, at what

93. ## math

I know It's probably an easy question but I don't know remember how to do it. Show the work to determine if the relation is even, odd, or neither. a ) f(x) = 2x^2 - 7 b) f(x) = -4x^3 - 2x c) f(x) = 4x^2 - 4x + 4 If f(-x) = f(x), for any x, the function is

94. ## science

I have no idea on this one A man put a goldfish into recently boiled water that had been cooled quickly, and it died. Explain what happened to the goldfish. Thanks! The dissolved oxygen in the water was driven out when the water was boiled. The fish died

95. ## accounting

pido corporation'd general ledger include

96. ## math

17. Which of the following is the correct simplified fractional representation of 0.03030? A. 303/1,000 B. 303/10,000 C. 3,030/1,000 D. 3,030/10,000 i think its B

97. ## math

there are 4 quarters in a dollar. Steven earned 3 dollars last month. How many quarters did he earn?

1. The employees of Abs “R” Us, which includes 12 fitness parlors in and around the metro area, feel they can improve the performance of the company. They decide to pool their resources to purchase the company. This would be called a _______ buyout. A.

99. ## Calc

A fence 5 feet tall runs parallel to a tall building at a distance of 5 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?